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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 40.38°N 74.55°W (Text-Only)
NWS Forecast for: Monmouth Junction NJ
Issued by: National Weather Service Philadelphia, PA
Last Update: 9:44 pm EST Dec 4, 2025		Print

  • Overnight

    Overnight: Mostly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 34. Calm wind.

    High: 34 °F

    Mostly Cloudy

  • Friday
    Night

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 43. Calm wind becoming west around 5 mph.

    High: 43 °F

    Partly Sunny

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

    • Overnight: Mostly cloudy, with a low around 17. Calm wind.

    Friday: Mostly cloudy, with a high near 34. Calm wind.

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.

    Saturday: Partly sunny, with a high near 43. Calm wind becoming west around 5 mph.

    Saturday Night: Partly cloudy, with a low around 23. Calm wind.

    Sunday: Partly sunny, with a high near 41.

    Sunday Night: Mostly cloudy, with a low around 23.

    Monday: Sunny, with a high near 34.

    Monday Night: Mostly clear, with a low around 14.

    Tuesday: Partly sunny, with a high near 36.

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Wednesday: Mostly cloudy, with a high near 42.

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Thursday: A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.


    Monmouth Junction NJ
     40.38°N 74.55°W (Elev. 98 ft)

    Visit your local NWS office at: https://www.weather.gov/phi/